<?php
require_once dirname( __FILE__ ) . "/../gtk_view.php";
require_once dirname( __FILE__ ) . "/domain_facade.php";

/**
 * Optimal Gtk view controller with domain controller.
 *
 * @author Manuel Pichler <mapi@manuel-pichler.de>
 */
class mpGtkController
{
    /**
     * The context view object.
     *
     * @type mpGtkView
     * @var mpGtkView $view
     */
    private $view = null;

    /**
     * Controller ctor.
     */
    public function __construct()
    {
        $this->view = new mpGtkView();
        $this->view->button->connect_simple( "clicked", array( $this, "doAddProduct" ) );
    }

    /**
     * Starts the main gtk loop
     */
    public function run()
    {
        Gtk::main();
    }

    /**
     * Add product action with the hole domain logic.
     */
    public function doAddProduct()
    {
        // Get given name
        $name = $this->view->input->get_text();

        // Create a domain Facade
        $facade = new mpDomainFacade();

        try
        {
            // Try to add product
            $facade->addProduct( $name );
            // Reset input
            $this->view->input->set_text( "" );
        }
        catch ( mpDomainException $e )
        {
            $this->showDialog( $e->getTitle(), $e->getMessage() );
        }
    }

    /**
     * Shows a simple error dialog.
     *
     * @param string $title
     * @param string $message
     */
    private function showDialog( $title, $message )
    {
        $dialog = new GtkDialog( $title, $this->view );
        $dialog->vbox->pack_start( new GtkLabel( $message ), true );
        $dialog->show_all();
    }
}

$controller = new mpGtkController();
$controller->run();